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Updated: Jun 30, 2026

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一个动态的程序来检测背下部的最大自发收缩.

Xun Wang1, Karla Beltran Martinez1, Ali Golabchi2,3

  • 1Department of Mechanical Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada.

Sensors (Basel, Switzerland)
|June 10, 2023
PubMed
概括

一种用于腰部肌肉的新动态最大自愿收缩 (MVC) 方法提供了更准确的表面电肌图 (sEMG) 规范化. 这种动态的MVC程序捕获了更高的肌肉活动,改善了个人和试验之间的数据一致性.

关键词:
这是一个MVCMVC MVC.人体工程学的风险背部下部肌肉 背部下部肌肉表面电力学图 (surface electromyography) 是一种表面电力学图.后备箱曲的情况

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Dynamic Modulus of Elasticity of Concrete01:16

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The dynamic modulus of elasticity assesses how a concrete structure deforms under impact or dynamic loads. It is typically higher than the static modulus of elasticity, measured under slow, steady loading conditions.
The sonic test is a common method to determine the dynamic modulus. In this test, a concrete beam, sized either 6 x 6 x 30 inches or 4 x 4 x 20 inches, is clamped at its center. Vibrations are initiated at one end of the beam by an electromagnetic exciter unit powered by a...